Answer:
my choice purpose
Explanation:
the writer simply writes with a purpose to make his audience understand it's with the purpose that he writes
A .xlsx file tells you that the file is an Excel workbook that utilizes XML files to create the various spreadsheets as well as macros and other hidden codes used to perform certain functions (which is why there's an X at the end; older .xls files had no indication of this external code being present, which is why they're almost never recommended for modern use).
1981 fue inventado por Bill gates y paul allen
A, because if not, there is nothing to say it exsists
